Physical Chemistry

Atomic Structure

Fundamental Particles

Mass Number & Isotopes

Time of Flight Mass Spectrometry

Shells & Orbitals

Electron Configuration

Ionisation Energy

Ionisation Energy: Trends & Evidence

Formulae, Equations & Calculations

Relative Atomic Mass & Relative Molecular Mass

Empirical & Molecular Formula

Balanced Equations

Reaction Yields

Atom Economy

Hydrated Salts

The Mole, Avogadro & The Ideal Gas Equation

The Mole & the Avogadro Constant

Reacting Masses

Reacting Volumes

The Ideal Gas Equation

Types of Bonding & Properties

Changes in State: Energy Changes

Ionic Bonding

Covalent Bonding

Dative Covalent Bonding

Dot & Cross Diagrams

Metallic Bonding

Properties of Ionic Compounds

Properties of Covalent Substances

Properties of Metallic Substances

Effects of Structure & Bonding

Molecules: Shapes & Forces

Shapes of Simple Molecules & Ions

Bond Polarity

Types of Forces Between Molecules

Effects of Forces Between Molecules

Energetics

Bond Energy

Energy Level Diagrams

Enthalpy Changes

Calorimetry

Hess' Law

Applications of Hess’s Law

Bond Enthalpies

Kinetics

Collision Theory

Measuring Rates of Reaction

Maxwell–Boltzmann Distributions

Effect of Temperature on Reaction Rate

Effect of Concentration & Pressure

Catalysts

Chemical Equilibria, Le Chatelier's Principle & Kc

Chemical Equilibria

Le Chatelier's principle

The Equilibrium Constant, Kc

Calculations Involving the Equilibrium Constant

Changes Which Affect the Equilibrium

Oxidation, Reduction & Redox Equations

Oxidation & Reduction

Oxidation States: The Rules

Redox Equations

Inorganic Chemistry

Periodicity

Classification of an Element

Trends of Period 3 Elements: Atomic Radius

Trends of Period 3 Elements: First Ionisation Energy

Trends of Period 3 Elements: Melting Point

Group 2, the Alkaline Earth Metals

Trends in Group 2: The Alkaline Earth Metals

Solubility of Group 2 Compounds: Hydroxides & Sulfates

Reactions of Group 2

Uses of Group 2 Elements

Group 7 (17), the Halogens

Physical Properties of Group 7

Chemical Properties of Group 7

Testing for Halide Ions

Uses & Reactions of Chlorine

Organic Chemistry

Introduction to Organic Chemistry

Functional Groups

Types of Formulae

Nomenclature

Structural Isomerism

Stereoisomerism

Alkanes

Fractional Distillation of Crude Oil

Modification of Alkanes by Cracking

Combustion of Alkanes

Chlorination of Alkanes

Halogenoalkanes

Reactivity of Halogenoalkanes

Reactions of Halogenoalkanes

Ozone Depletion

Alkenes

Structure, Bonding & Reactivity

Isomerism in Alkenes

Reactions of Alkenes

Test for Unsaturation

Addition Polymers

Solution to Plastic Pollution

Alcohols

Classifying Alcohols

Alcohol Production

Oxidation of Alcohols

Combustion of Alcohols

Elimination Reactions of Alcohols

Organic Analysis

Identification of Functional Groups by Test-Tube Reactions

Mass spectrometry

Infrared Spectroscopy

Organic Mechanisms

Fundamentals of Reaction Mechanisms

Chlorination of Alkanes

Nucleophilic Substitution

Elimination

Electrophilic Addition

AS Practical Skills

Physical Chemistry Practicals

Making a Volumetric Solution

Performing a Titration & Volumetric Analysis

Measurement of an Enthalpy Change

Factors Affecting the Rate of a Reaction

Organic & Inorganic Chemistry Practicals

Reactions of Group 2 Elements

Identifying Anions & Cations

Distillation of a Product from a Reaction

Testing for Organic Functional Groups

Exam boards

• Cambridge (CIE) AS Chemistry
• Edexcel AS Chemistry
• OCR AS Chemistry A

Study tools

• AQA AS Chemistry · Exam Questions
• AQA AS Chemistry · Past Papers

Related links

• AS Chemistry · Revision Notes
• AS Chemistry · Exam Questions
• AS Chemistry · Past Papers